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Island Water Sports is a business that provides rental equipment and instruction for a variety of water sports in a resort town. On one particular morning, a decision must be made of how many Wildlife Raft Trips and how many Group Sailing Lessons should be scheduled. Each Wildlife Raft Trip requires one captain and one crew person, and can accommodate six passengers. The revenue per raft trip is $120. There are ten rafts available, and at least 30 people are on the list for reservations this morning. Each Group Sailing Lesson requires one captain and two crew people for instruction. Two boats are needed for each group. Four students will form each group. There are 12 sailboats available, and at least 20 people are on the list for sailing instruction this morning. The revenue per group sailing lesson is $160. The company has 12 captains and 18 crew available this morning. The company would like to maximize the number of customers served while generating at least $1500 in revenue and honoring all reservations. Formulate the LP model to determine how many Raft trips and how many Sailing lessons should be scheduled
Plot the data, fit a trend line, and discuss the strength of prediction of the regression model.
A company ships computer components in boxes that contain 20 iteams. Assume the probability of a defective component is .4. use the geometric distribution to find the probability that the first defect is found in the third or fourth component test..
Use the critical values for z of 1.65 and a p level of approximately 0.10, or 10%. For each of the following values, determine if you would reject or fail to reject the null hypothesis:
In a large section of statistics class, the points for the final exams are normally distributed with a mean of 72 and a standard deviation of 9. Grades are to be assigned according to the following rule.
A nursing school wants to estimate the true mean annual income of its alumni. It randomly samples 120 of its alumni. The mean annual income was $58,700 with a standard deviation of $1,500.
Also find information about blood donations and the percentage of each type donated. How do the charts compare? Why is the collection of type O blood so important?
A. What is the coefficient of determination? B. What is the correlation coefficient? C. What is the sampl mean of Y?
A stock price is currently $100. Over each of the next two three-month periods it is expected to increase by 10% or fall by 10%. Consider a six-month European call option with a strike price of $105.
Which of these measurement scales (nominal, ordinal, interval and ratio) can be handled through hypothesis testing? What are the five steps in hypothesis testing? Is the order important? Why or why not?
A random sample of 43 light bulbs has a mean life of 677 hours with a standard deviation of 90 hours. Do you have enough evidence to reject the manufacturer's claim?
In a clinical study of an allergy drug, 114 of 203 subjects reported experiencing significant relief from their symptoms. What is the point estimate of the true proportion of people who reported relief in the population.
What is the lowest raw score that a client must have on Anxiety Scale A in order to be admitted into this new group? Also assuming some clinics use Anxiety Scale B and often refer their clients to Mary, what is the cutoff point (lowest raw score) ..
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